Image display method, image display apparatus and delta pixel arrangement display device

Patent metadata

Field	Value
Publication number	US-10290252-B2
Application number	US-201615175409-A
Country	US
Kind code	B2
Filing date	Jun 7, 2016
Priority date	Jun 10, 2015
Publication date	May 14, 2019
Grant date	May 14, 2019

Abstract

An image display method is disclosed. The image display method is adapted to a delta pixel arrangement display device, and the delta pixel arrangement display device includes M×N second pixels arranged in form of an M×N matrix. The display method includes: acquiring raw data of a frame of image, the raw data including luminance information of a*M×b*N first pixels arranged in form of an a*M×b*N matrix, where a≥1, b≥1 and a×b≠1, the first pixels arranged in strip and the first pixel at least including sub-pixels with three different colors RGB; converting the raw data into display data, the display data including luminance information of M×N second pixels, and each of the second pixels at least comprising respective sub-pixels of corresponding one of the first pixels; and displaying an image according to the display data. An image display apparatus and a delta pixel arrangement display device are further disclosed.

First claim

What is claimed is:

1. An image display method adapted to a delta pixel arrangement display device, the delta pixel arrangement display device comprising M×N second pixels arranged in form of an M×N matrix, the display method comprising:
acquiring raw data of a frame of an image, wherein the raw data comprise luminance information of a*M×b*N first pixels arranged in form of an a*M×b*N matrix, where a≥1, b≥1 and a×b≠1, the first pixels are arranged in strip and each of the first pixels at least comprises sub-pixels with three different colors RGB;
converting the raw data of the image into display data, wherein the display data comprise luminance information of M×N second pixels, and each of the second pixels at least comprises respective sub-pixels in corresponding one of the first pixels; and
displaying the image according to the display data;
wherein at least one of a and b is a positive fraction; and
converting the raw data of the image into the display data comprise:
converting the raw data into adjustment data, wherein the adjustment data comprise luminance information of k*M×p*N third pixels arranged in form of a k*M×p*N matrix, where k is an integer equal to or greater than a, p is an integer equal to or greater than b, and k×p>a×b; and
converting the adjustment data into the display data; and
wherein the adjustment data comprise luminance information of M×N second pixel groups arrange in form of an M×N matrix, in which each row of the adjustment data comprise M second pixel groups, each column of the adjustment data comprise N second pixel groups, each of the second pixel groups, column k×p third pixels, and the luminance information of each of the second pixel groups comprises the luminance information of the k×p third pixels thereof;
converting, the adjustment data into the display data comprise:
converting the luminance information of M×N second pixel groups of the adjustment date into the luminance information of M×N second pixels.

2. The image display method according to claim 1 , wherein both of a and b are positive integers;
the raw data comprise luminance information of M×N first pixel group arranged in form of an M×N matrix, wherein each row of the matrix comprises M first pixel groups, each column of the matrix comprises N first pixel groups, each of the first pixel groups comprises a×b first pixels, and the luminance information of each of the firs pixel groups comprises luminance information of the a×b first pixels thereof;
converting the raw data of the image into the display data comprise converting the luminance information of M×N first pixel groups of the raw data into the luminance information of M×N second pixels respectively.

3. The image display method according to claim 2 , wherein the luminance information of each first pixel comprises luminance information of respective sub-pixels of this first pixel, and the luminance information of each second pixel comprises luminance information of respective sub-pixels of this second pixel;
converting the luminance information of the M×N first pixel groups of the raw data into the luminance information of the M×N second pixels comprises:
determining respective second pixels of the M×N second pixels and their corresponding first pixel groups of the M×N first pixel groups; and
calculating average luminance of sub-pixels, having a same color, of a×b first pixels of respective first pixel groups to obtain the luminance information of respective the second pixels.

4. The image display method according to claim 1 , wherein the luminance information of the third pixels is obtained from the luminance information of the first pixels by interpolation.

5. The image display method according claim 1 , wherein
the luminance information of each first pixel comprises luminance information of respective sub-pixels of this first pixel, the luminance information of each second pixel comprises luminance information of respective sub-pixels of this second pixel, and the luminance information of each third pixel comprises luminance information of respective sub-pixels of this third pixel;
converting the luminance information of the M×N second pixel groups of the adjustment data into the luminance information of the M×N second pixels comprises
determining respective second pixels of the M×N second pixels and their corresponding second pixel group of the M×N second pixel groups; and
calculating average luminance of sub-pixels, having a same color, of a×b third pixels of respective second pixel groups to obtain the luminance information of respective second pixels.

6. The image display method according to claim 1 , wherein the delta pixel arrangement display device is a liquid crystal display device, and the luminance information is transmittance information.

7. The image display method according to claim 6 , wherein acquiring the raw data of the fame of image comprises:
acquiring grayscale information of the a*M×b*N first pixels arranged in form of the a*M×b*N matrix; and
converting the grayscale information of the first pixels into transmittance information of the first pixels; and
displaying the image according to the display data comprises:
converting transmittance information of M×N second pixels into grayscale information of the second pixels; and
displaying the image according to the grayscale information of the second pixels.

8. A delta pixel arrangement display device, comprising;
a memory, configured to store a set of program code, and
a processor, configured to execute the program code to perform the image display method of claim 1 .

9. An image display apparatus adapted to a delta pixel arrangement display device, the delta pixel arrangement display device comprising M×N second pixels arranged in form of an M×N matrix, the image display apparatus comprising:
an acquisition unit, configured to acquire raw data of a frame of image, wherein the raw data comprise luminance information of a*M×b*N first pixels arranged in form of an a*M×b*N matrix, where a≥1, b≥1 and a×b≠1, the first pixels are arranged in strip and each of the first pixels at least comprises sub-pixels with three different colors RGB;
a conversion unit, configured to convert the raw data into display data, the display data comprising luminance information of M×N second pixels, and each of the second pixels at least comprising respective sub-pixels of corresponding one of the first pixel; and
a display unit, configured to display the image according to the display data; and
wherein at least one of a and b is a positive fraction;
the conversion unit comprises:
a first conversion module, configured to convert the raw data into adjustment data, the adjustment data comprising luminance information of k*M×p*N third pixels arranged in form of a k*M×p*N matrix, where k is an integer equal to or greater than a, p is an integer equal to or greater than b, and k×p>a×b; and
a second conversion module, configured to convert the adjustment data into the display data; and
wherein the adjustment data comprise luminance information of M×N second pixel groups arranged in form of an M×N matrix, in which each row of the matrix comprises M second pixel groups, each column of the matrix comprises N second pixel groups, each of the second pixel groups comprises k×p third pixels, and the luminance information of each of the second pixel groups comprises the luminance information of the k×p third pixels thereof;
the second conversion module is configured to convert the luminance information of, M×N second pixel groups of the adjustment data into the luminance information of M×N second pixels.

10. The image display apparatus according to claim 9 , wherein both of a and b are posit

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Optoelectronics Tech Co Ltd

Inventors

• Chen Chung Chun
• Li Mubing
• Liu Peng
• Lu Pengcheng
• Dong Xue

Classifications

• G09G2320/0626

  for control of overall brightness · CPC title

• G09G3/3648

  using an active matrix (G09G3/367 - G09G3/3696 take precedence) · CPC title

• G09G2300/08

  Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements · CPC title

• G09G2320/0666

  for control of colour parameters, e.g. colour temperature · CPC title

• G09G2340/0457

  Improvement of perceived resolution by subpixel rendering · CPC title